EP0350365B1 - Béton compacté renforcé de fibres et son utilisation - Google Patents

Béton compacté renforcé de fibres et son utilisation Download PDF

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Publication number
EP0350365B1
EP0350365B1 EP19890401794 EP89401794A EP0350365B1 EP 0350365 B1 EP0350365 B1 EP 0350365B1 EP 19890401794 EP19890401794 EP 19890401794 EP 89401794 A EP89401794 A EP 89401794A EP 0350365 B1 EP0350365 B1 EP 0350365B1
Authority
EP
European Patent Office
Prior art keywords
concrete
cement
weight
fibers
compacted concrete
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
EP19890401794
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0350365A1 (fr
Inventor
Benoît FICHEROULLE
Jean-Pierre Serfass
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SCREG Routes et Travaux Publics
Original Assignee
SCREG Routes et Travaux Publics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by SCREG Routes et Travaux Publics filed Critical SCREG Routes et Travaux Publics
Publication of EP0350365A1 publication Critical patent/EP0350365A1/fr
Application granted granted Critical
Publication of EP0350365B1 publication Critical patent/EP0350365B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers
    • C04B14/48—Metal
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/16—Reinforcements
    • E01C11/18—Reinforcements for cement concrete pavings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • E01C7/14—Concrete paving
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00301—Non-porous materials, e.g. macro-defect free [MDF] products
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • the subject of the present invention is a compacted concrete reinforced with fibers, which can be used in particular for the production of industrial pavements.
  • Compacted concretes described in particular in FR-A-2 432 490, have been developed to allow rapid paving service, by obtaining, at equal dosage of binder, a concrete quality at least equal to that of other concrete used in the road sector. Also the cement dosage is, for equal mechanical performance, generally lower in compacted concrete, 14% of cement corresponding to concrete poured at 350 kg of cement / m3.
  • Compacted concretes have an essential characteristic compared to conventional poured concretes, a much lower water content.
  • this lower water content provides sufficient bearing capacity to use the material with road vehicles, in order to compact it using vibrating compactors and tires, and put it back into circulation without delay.
  • the consistency of poured concrete is much more plastic, and its implementation is done with machines with sliding formwork or with a vibrating rule and does not allow circulation before complete setting.
  • the compacted concrete according to the invention can be used in particular for industrial pavements, but also in road or aeronautical pavements, platforms and embankments (ports, etc.).
  • the main characteristic of the invention therefore consists in introducing metallic fibers into compacted concrete, so as to make the concrete + fiber complex able to withstand the same overloads as a conventional poured concrete, reinforced with a trellis or reinforced with metallic fibers.
  • Classic concrete type BPE is manufactured in a plant where the quantity necessary for a mix of aggregates, cement, and possibly metallic fibers is introduced into the mixer, then the supply stops and the mixing begins: is a discontinuous operation.
  • compacted concrete can be manufactured in a treated grave plant where the materials are introduced continuously into a mixer which does not stop. It is therefore necessary to precisely dose the introduction of the metallic fibers on a continuous belt, while in a batch plant the weighing is much simpler.
  • the implementation is then done at the finisher, or with any other spreading machine, it is followed by compaction, as for unreinforced compacted concrete.
  • the expected mechanical strengths are at least those of a poured concrete with the same dosage of fibers.
  • Fiber concrete exhibits mechanical behavior of the ductile type, even in the case of the use of high performance concretes containing silica fumes (examples 8 to 10); on the other hand unreinforced concrete exhibits in all cases a behavior of the fragile type.
  • the consequence of this phenomenon is a very good behavior of industrial pavements in fiber reinforced concrete: same in case accidental overload, and thereby cracking of the concrete, the edges of the crack do not move apart.
  • the metallic fibers provide, like the welded mesh, a mechanical connection between slabs at the joints (or cracks), which avoids the flapping of slabs characteristic of unreinforced concrete when loads pass;
  • Examples of concrete applications according to the invention - Industrial paving 18 cm thick reinforced with fibers.
  • the aggregates used are of a 0/14 particle size and binder a CPJ 45 cement dosed at 12% (280 kg / m3 of concrete).
  • the concrete has been reinforced, with 30 kg of steel fibers per m3, and its surface is covered. a wear screed 10 mm thick. This pavement is required to support storage shelves and bandage carts. - Reinforcement of an existing concrete slab
  • the aggregates are hard aggregates 0/10, and binding it a high performance cement; silica smoke is used as an additive, as well as a superfludifier in the mixing water.
  • the concrete is reinforced with cast iron fibers at a rate of 70 kg / m3.
  • the reinforcement has a thickness of 5 cm, and it is glued to an existing concrete slab.
  • the reinforced structure can allow heavier aircraft traffic, avoiding the demolition of the existing slab and the reconstruction of a thicker slab.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Road Paving Structures (AREA)
  • Lining And Supports For Tunnels (AREA)
EP19890401794 1988-07-08 1989-06-23 Béton compacté renforcé de fibres et son utilisation Revoked EP0350365B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8809346 1988-07-08
FR8809346A FR2633922B1 (fr) 1988-07-08 1988-07-08 Beton compacte renforce de fibres et son utilisation

Publications (2)

Publication Number Publication Date
EP0350365A1 EP0350365A1 (fr) 1990-01-10
EP0350365B1 true EP0350365B1 (fr) 1993-08-18

Family

ID=9368281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890401794 Revoked EP0350365B1 (fr) 1988-07-08 1989-06-23 Béton compacté renforcé de fibres et son utilisation

Country Status (5)

Country Link
EP (1) EP0350365B1 (es)
DE (1) DE68908497T2 (es)
ES (1) ES2045495T3 (es)
FR (1) FR2633922B1 (es)
PT (1) PT91080B (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1008191A3 (fr) * 1991-11-29 1996-02-13 Eurosteel Sa Procede de realisation de chaussees ou aires industrielles continues en beton compacte renforce de fibres.
FR2684397B1 (fr) * 1991-11-29 1997-04-25 Eurosteel Sa Procede de realisation de chaussees ou aires industrielles continues en beton compacte renforce de fibres.
CH683196A5 (fr) * 1991-12-02 1994-01-31 Rene Astie Matériau pour revêtement routier et procédé pour la fabrication d'un revêtement routier avec un tel matériau.
DE4306358A1 (de) * 1993-02-23 1994-08-25 Siemens Ag Überspannungsableiter
FR2710334B1 (fr) * 1993-09-20 1995-12-08 Seva Produit composite à base d'un matériau à liant hydraulique et de fibres métalliques, procédé d'obtention et utilisations d'un tel produit.
FR2729658B1 (fr) * 1995-01-25 1997-04-04 Lafarge Nouveaux Materiaux Beton composite
BE1009314A3 (nl) * 1995-04-10 1997-02-04 Bekaert Sa Nv Vervaardiging van een continue vloerplaatconstructie.
FR2771406B1 (fr) * 1997-11-27 2000-02-11 Bouygues Sa Beton de fibres metalliques, matrice cimentaire et premelanges pour la preparation de la matrice et du beton
FR2808522B1 (fr) * 2000-05-03 2003-01-10 Chaussees Tech Innovation Composition de beton roule compacte renforce de fibres et procede de realisation d'une chaussee a partir de ladite composition
DE10033272A1 (de) * 2000-07-10 2002-02-14 Moelders Baugmbh Gleisoberbau und Verfahren zu seiner Herstellung
FR2813601B1 (fr) * 2000-09-01 2003-05-02 Lafarge Sa Betons fibres a tres hautes resistances et ductilite
GB2378470A (en) * 2001-08-10 2003-02-12 Raymond Paul Dunn Reinforced concrete systems
ES2360003B1 (es) 2009-10-20 2012-04-13 Universitat Politècnica De Catalunya Hormigon de ultra alta resistencia armado con fibras de acero
LV14122B (lv) * 2009-10-26 2010-04-20 Primeteh As Kompozītbetona sastāvs grīdas un pamatu plātņu ieklāšanai
US11718561B2 (en) 2017-10-31 2023-08-08 Perma Edge Industries, LLC Composition and structures created therewith

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR13793E (fr) * 1909-01-28 1911-06-30 Pierre Jules Tabourin Application de la paille de fer à la fabrication de carreaux, dallages et tous articles ou travaux en ciment et autres matières analogues ou similaires
US3645961A (en) * 1967-12-05 1972-02-29 Solomon Goldfein Impact resistant concrete admixture
MA18781A1 (fr) * 1979-03-23 1980-10-01 France Etat Ponts Chaussees Materiau de construction,son application pour remblai,revetement ou massif de fondation sur un sol meuble,et procede et installation de fabrication de ce materiau
JPS5851904A (ja) * 1981-09-21 1983-03-26 Kurita Water Ind Ltd 膜分離装置の膜面洗浄方法
GB2139547B (en) * 1983-05-07 1987-01-28 Burrell Construction & Supply Method for making concrete blocks
JPH0615431B2 (ja) * 1985-11-08 1994-03-02 日東紡績株式会社 ガラス繊維強化セメントプレス成形体
US4780141A (en) * 1986-08-08 1988-10-25 Cemcom Corporation Cementitious composite material containing metal fiber

Also Published As

Publication number Publication date
PT91080A (pt) 1990-02-08
FR2633922B1 (fr) 1992-10-23
EP0350365A1 (fr) 1990-01-10
ES2045495T3 (es) 1994-01-16
PT91080B (pt) 1995-01-31
DE68908497T2 (de) 1994-05-19
DE68908497D1 (de) 1993-09-23
FR2633922A1 (fr) 1990-01-12

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